DE2931255C2 - - Google Patents
Info
- Publication number
- DE2931255C2 DE2931255C2 DE2931255A DE2931255A DE2931255C2 DE 2931255 C2 DE2931255 C2 DE 2931255C2 DE 2931255 A DE2931255 A DE 2931255A DE 2931255 A DE2931255 A DE 2931255A DE 2931255 C2 DE2931255 C2 DE 2931255C2
- Authority
- DE
- Germany
- Prior art keywords
- hydroxyphenyl
- acetic acid
- nitro
- methyl
- methylacetonitrile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 30
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 13
- ZBRNHUSCZGYNLG-UHFFFAOYSA-N 2-(3-amino-4-hydroxyphenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC=C(O)C(N)=C1 ZBRNHUSCZGYNLG-UHFFFAOYSA-N 0.000 claims description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- YLOVYLOYLHRGAG-UHFFFAOYSA-N 2-(4-hydroxy-3-nitrophenyl)propanenitrile Chemical compound N#CC(C)C1=CC=C(O)C([N+]([O-])=O)=C1 YLOVYLOYLHRGAG-UHFFFAOYSA-N 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- FOBWIPGSNZOTNJ-UHFFFAOYSA-N 2-(4-hydroxy-3-nitrophenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC=C(O)C([N+]([O-])=O)=C1 FOBWIPGSNZOTNJ-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- CZKLEJHVLCMVQR-UHFFFAOYSA-N 4-fluorobenzoyl chloride Chemical compound FC1=CC=C(C(Cl)=O)C=C1 CZKLEJHVLCMVQR-UHFFFAOYSA-N 0.000 claims description 5
- 235000011007 phosphoric acid Nutrition 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- -1 3-nitro-4-hydroxyphenyl Chemical group 0.000 claims description 3
- ARPYQKTVRGFPIS-UHFFFAOYSA-N 2-[2-(4-fluorophenyl)-1,3-benzoxazol-5-yl]propanoic acid Chemical compound N=1C2=CC(C(C(O)=O)C)=CC=C2OC=1C1=CC=C(F)C=C1 ARPYQKTVRGFPIS-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 238000005984 hydrogenation reaction Methods 0.000 claims description 2
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 claims 2
- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 claims 1
- 238000007363 ring formation reaction Methods 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229960002179 ephedrine Drugs 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 2
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- OQYGFWBFDQPYTE-UHFFFAOYSA-N C(CC)(=O)O.O1C=NC2=C1C=CC=C2 Chemical class C(CC)(=O)O.O1C=NC2=C1C=CC=C2 OQYGFWBFDQPYTE-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- KWGRBVOPPLSCSI-UHFFFAOYSA-N d-ephedrine Natural products CNC(C)C(O)C1=CC=CC=C1 KWGRBVOPPLSCSI-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ARPYQKTVRGFPIS-VIFPVBQESA-N flunoxaprofen Chemical compound N=1C2=CC([C@@H](C(O)=O)C)=CC=C2OC=1C1=CC=C(F)C=C1 ARPYQKTVRGFPIS-VIFPVBQESA-N 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229960002895 phenylbutazone Drugs 0.000 description 1
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
- C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
- C07D263/56—Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D263/57—Aryl or substituted aryl radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/04—Formation of amino groups in compounds containing carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT26498/78A IT1099589B (it) | 1978-08-04 | 1978-08-04 | Processo per la preparazione di derivati dell'acido benzoxazolil propionico |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2931255A1 DE2931255A1 (de) | 1980-02-28 |
| DE2931255C2 true DE2931255C2 (enrdf_load_stackoverflow) | 1993-05-13 |
Family
ID=11219649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792931255 Granted DE2931255A1 (de) | 1978-08-04 | 1979-08-01 | Verfahren zur herstellung von benzoxazolylpropionsaeurederivaten |
Country Status (14)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR75153B (enrdf_load_stackoverflow) * | 1981-03-27 | 1984-07-13 | Lilly Co Eli | |
| IT1157295B (it) * | 1982-07-19 | 1987-02-11 | Ravizza Spa | Processo perfezionato per la preparazione di derivati dell'acido benzoxazolil propionico |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL106045C (enrdf_load_stackoverflow) * | 1958-09-02 | |||
| US3471508A (en) * | 1963-11-06 | 1969-10-07 | Merck & Co Inc | 5-aryl (or heteroaromatic) benzazoles |
| IL22369A (en) * | 1963-11-19 | 1968-10-24 | Merck & Co Inc | 2-heteroaryl-5 and/or 6-substituted benzazoles |
| IL37633A (en) * | 1970-09-10 | 1975-08-31 | Merck & Co Inc | 2-(4-(2-benzoxazolyl)phenyl)alkanoic acid derivatives |
| GB1435721A (en) * | 1972-05-18 | 1976-05-12 | Lilly Industries Ltd | Benzoxazole derivatives |
| GB1491863A (en) * | 1973-10-23 | 1977-11-16 | Lilly Industries Ltd | 2,5-or 2,6-disubstituted benzoxazoles |
| US4100168A (en) * | 1974-09-20 | 1978-07-11 | Lilly Industries Ltd. | 2,5 OR 2,6-Disubstituted benzoxazoles |
| GB1495488A (en) * | 1976-06-23 | 1977-12-21 | Ippco Int Pharma Patents Co Es | Optically active 2-(2-phenyl-5-benzoxazolyl)propionic acids |
| GB1590587A (en) * | 1977-06-28 | 1981-06-03 | Lilly Industries Ltd | Benoxaprofen |
-
1978
- 1978-08-04 IT IT26498/78A patent/IT1099589B/it active
-
1979
- 1979-07-25 BE BE0/196447A patent/BE877887A/xx not_active IP Right Cessation
- 1979-07-26 LU LU81552A patent/LU81552A1/xx unknown
- 1979-07-26 US US06/060,756 patent/US4304918A/en not_active Expired - Lifetime
- 1979-07-27 AT AT0521179A patent/AT364355B/de not_active IP Right Cessation
- 1979-07-30 FR FR7919511A patent/FR2432512A1/fr active Granted
- 1979-07-31 GB GB7926654A patent/GB2029826B/en not_active Expired
- 1979-07-31 YU YU1867/79A patent/YU40848B/xx unknown
- 1979-08-01 DE DE19792931255 patent/DE2931255A1/de active Granted
- 1979-08-02 PT PT70015A patent/PT70015A/pt unknown
- 1979-08-02 GR GR59758A patent/GR71866B/el unknown
- 1979-08-03 NL NL7905996A patent/NL191059C/xx not_active IP Right Cessation
- 1979-08-03 CH CH716279A patent/CH641791A5/de not_active IP Right Cessation
- 1979-08-03 JP JP9935979A patent/JPS5543079A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2029826A (en) | 1980-03-26 |
| YU40848B (en) | 1986-06-30 |
| AT364355B (de) | 1981-10-12 |
| FR2432512B1 (enrdf_load_stackoverflow) | 1983-04-22 |
| FR2432512A1 (fr) | 1980-02-29 |
| GB2029826B (en) | 1982-12-22 |
| NL7905996A (nl) | 1980-02-06 |
| BE877887A (fr) | 1979-11-16 |
| US4304918A (en) | 1981-12-08 |
| JPS6159628B2 (enrdf_load_stackoverflow) | 1986-12-17 |
| CH641791A5 (de) | 1984-03-15 |
| NL191059C (nl) | 1995-01-02 |
| IT1099589B (it) | 1985-09-18 |
| DE2931255A1 (de) | 1980-02-28 |
| ATA521179A (de) | 1981-03-15 |
| PT70015A (en) | 1979-09-01 |
| LU81552A1 (fr) | 1979-10-31 |
| JPS5543079A (en) | 1980-03-26 |
| GR71866B (enrdf_load_stackoverflow) | 1983-07-07 |
| YU186779A (en) | 1983-01-21 |
| IT7826498A0 (it) | 1978-08-04 |
| NL191059B (nl) | 1994-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH493528A (de) | Verfahren zur Herstellung neuer substituierter Aminopyrimidine | |
| DE2147023C3 (de) | Verfahren zur Herstellung von 1H- Tetrazol-Verbindungen | |
| DE1807887A1 (de) | 2,7-Diamino-6-arylpyrido [2,3-d] pyrimidinverbindungen und Verfahren zu ihrer Herstellung | |
| EP0380712B1 (de) | Verfahren zur Herstellung von 2,6-Dichlordiphenylaminessigsäurederivaten | |
| DE2931255C2 (enrdf_load_stackoverflow) | ||
| DE1116221B (de) | Verfahren zur Herstellung von ªú¼ª-Pentamethylenbutyrolacton bzw. Salzen der 3,3-Pentamethylen-4-hydroxybuttersaeure | |
| CH668424A5 (de) | 4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. | |
| DE2756852C2 (enrdf_load_stackoverflow) | ||
| DE2950608A1 (de) | Verfahren zur herstellung von 2-(3-phenoxy-phenyl)-propionsaeure | |
| DE729852C (de) | Verfahren zur Herstellung von 2, 4-Dioxooxazolidinen | |
| DE1768582C3 (enrdf_load_stackoverflow) | ||
| DE2049941C (de) | Verfahren zur Herstellung von 2 De carboxamido 2 lminotetracychnen, bzw ihren Saureadditionssalzen oder Metallsalzen | |
| DE2337610C3 (de) | Verfahren zur Herstellung von Acetylsalicylsäure-N,N-dimethylaminoäthylester bzw. dessen Salzen | |
| DE963776C (de) | Verfahren zur Herstellung von antiphlogistisch wirksamen ª‡-Amino-ª‰-oxycarbonsaeureaniliden | |
| AT317219B (de) | Verfahren zur Herstellung neuer 4-Phenyl-2(1H)-chinazolinone | |
| DE3303704A1 (de) | 2,4-dichlor-5-thiazolcarboxaldehyd und ein verfahren zu seiner herstellung | |
| AT384020B (de) | Verfahren zur herstellung von 6-methyl-4-hydroxynicotinsaeure | |
| DE1236524C2 (de) | Verfahren zur herstellung von l-(-) -alpha-methyl-beta-(3,4-dihydroxy-phenyl)alanin | |
| DE2503315C3 (de) | Verfahren zur Herstellung von Tyramin und dessen Säureadditionssalzen | |
| DE1493567C3 (de) | Ester von alpha-Alkylthyroxinderivaten und Verfahren zu ihrer Herstellung | |
| AT375081B (de) | Verfahren zur herstellung von 7-aminocephalosporansaeure und ihren estern | |
| AT269110B (de) | Verfahren zur Herstellung des neuen 1-(Äthylaminomethyl)-5-methoxy-benzocyclobutens und seiner Salze | |
| CH388978A (de) | Verfahren zur Herstellung von 2,2-Dibenzyl-äthylaminen | |
| DE1249285B (de) | Verfahren zur Herstellung von theiapeutisch wirk samen 1,2 Diaryl-4-alkvl 3,5 dioxo pyrazohdmen | |
| DE1074585B (de) | Verfahren zur Herstellung von 5 Phenyl 5-athyltetrahydro - 1,3-oxazm -24 dionen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: HOELLER, K., DIPL.-CHEM. DR.RER.NAT., PAT.-ASS., 8 |
|
| 8125 | Change of the main classification |
Ipc: C07D263/57 |
|
| 8181 | Inventor (new situation) |
Free format text: MAURI, FRANCESCO, MONZA, MAILAND/MILANO, IT SIGNORINI, ROBERTO, MAILAND/MILANO, IT |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |